<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1026997
-->
<head>
  <title>SelectionChange on InputMethod API.</title>
  <script type="application/javascript;version=1.7" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript;version=1.7" src="inputmethod_common.js"></script>
  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1026997">Mozilla Bug 1026997</a>
<p id="display"></p>
<pre id="test">
<script class="testbody" type="application/javascript;version=1.7">

inputmethod_setup(function() {
  runTest();
});

// The frame script running in file_test_app.html.
function appFrameScript() {
  let input = content.document.getElementById('test-input');

  input.focus();

  function next(start, end) {
    input.setSelectionRange(start, end);
  }

  addMessageListener("test:KeyBoard:nextSelection", function(event) {
    let json = event.json;
    next(json[0], json[1]);
  });
}

function runTest() {
  let actions = [
    [0, 4],
    [1, 1],
    [3, 3],
    [2, 3]
  ];

  let counter = 0;
  let mm = null;
  let ic = null;

  let im = navigator.mozInputMethod;
  im.oninputcontextchange = function() {
    ok(true, 'inputcontextchange event was fired.');
    im.oninputcontextchange = null;

    ic = im.inputcontext;
    if (!ic) {
      ok(false, 'Should have a non-null inputcontext.');
      inputmethod_cleanup();
      return;
    }

    ic.onselectionchange = function() {
      is(ic.selectionStart, actions[counter][0], "start");
      is(ic.selectionEnd, actions[counter][1], "end");

      if (++counter === actions.length) {
        inputmethod_cleanup();
        return;
      }

      next();
    };

    next();
  };

  // Set current page as an input method.
  SpecialPowers.wrap(im).setActive(true);

  // Create an app frame to recieve keyboard inputs.
  let app = document.createElement('iframe');
  app.src = 'file_test_app.html';
  app.setAttribute('mozbrowser', true);
  document.body.appendChild(app);
  app.addEventListener('mozbrowserloadend', function() {
    mm = SpecialPowers.getBrowserFrameMessageManager(app);
    mm.loadFrameScript('data:,(' + appFrameScript.toString() + ')();', false);
    next();
  });

  function next() {
    if (ic && mm) {
      mm.sendAsyncMessage('test:KeyBoard:nextSelection', actions[counter]);
    }
  }
}
</script>
</pre>
</body>
</html>

